An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Allander E, Björnsson OJ, Kolbeinsson A, Olafsson O, Sigfússon N, Thorsteinsson J.Allander E, et al. Among authors: bjornsson oj.Int J Epidemiol. 1972 Autumn;1(3):211-23. doi: 10.1093/ije/1.3.211.Int J Epidemiol. 1972.PMID: 4669197No abstract available.
Olafsson O, Sigfússon N, Davidsson D, Björnsson OJ.Olafsson O, et al. Among authors: bjornsson oj.Arctic Med Res. 1988;47 Suppl 1:466-8.Arctic Med Res. 1988.PMID: 3272663No abstract available.
Björnsson OJ, Davídsson D, Olafsson O, Sigfússon N, Porsteinsson P.Björnsson OJ, et al.Acta Med Scand Suppl. 1977;616:1-150.Acta Med Scand Suppl. 1977.PMID: 209669
Allander E, Björnsson OJ, Olafsson O, Sigfússon N, Thorsteinsson J.Allander E, et al. Among authors: bjornsson oj.Int J Epidemiol. 1974 Sep;3(3):253-61. doi: 10.1093/ije/3.3.253.Int J Epidemiol. 1974.PMID: 4414846No abstract available.